Martina Devlin: Donald Trump’s culture wars won’t slash his supporters’ jobs and impoverish them, but his tariffs will

I’ve just been reading up on protocols surrounding the use of explosives. Warnings are rife that careless dynamiting can lead to unintended consequences, including major catastrophe, and constant vigilance is essential around its application. It seems nobody told Donald Trump.

On Wednesday, he struck a match, threw it down and stepped back to admire the conflagration. His wrecking agent of choice is a wall of tariffs designed to make America top dog with its trading partners – a hostile action sure to lead to higher costs, inflation and job losses..